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The Siemens 331-4511 is a pneumatic damper actuator designed for effective control of dampers and air valves. It operates within a pressure range of five to ten psi and features an extended shaft for versatile installation options. This actuator is suitable for various HVAC applications and is compact in design.
The actuator is built with Ozone resistant materials, ensuring durability in different environments. It can be mounted directly in mixing boxes or externally as required.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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